一个特别有趣的例子发生在17世纪初至18世纪初，那时意大利北部的克雷莫纳市生产了一批非同寻常的小提琴。

There's a particularly interesting case with an extraordinary generation of violins made in Northern Italy, in the city of Cremona, back in the late 1600s to early 1700s.

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自19世纪初以来，美国一直面临着环境问题的困扰，特别是空气污染。

Since the beginning of the 19th century, America has had trouble with environmental problems, air pollution in particular.

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放手去用的食材：蔬菜，水果，初榨橄榄油，菜籽油，鱼(特别是含油的)，瘦肉(如兔肉和去皮的鸡肉)，脱脂奶，燕麦，全麦面包，糙米。

Ingredients to embrace: Veg, fruit, extra-virgin olive oil, rapeseed oil, fish (especially oily), lean meat such as rabbit and chicken (no skin), skimmed milk, oats, wholemeal bread, brown rice.

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